Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 430

C-mode (Host Link) Command Master
HR AREA READ (RH Command)
(Sequence No. 704 (Hex 02C0))
Reads the contents of the specified number of HR Area words beginning with the designated word from the
specified Host Link Unit and stores starting from the specified storage word.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
Number of send data words
+0
First word of
send data
+1
(Undefined)
+2 First read word
+3 Number of read words
Offset Contents (data format)
+0 Number of send data words
+1 (Undefined)
+2 First read word (4 digits BCD)
+3 Number of read words
(4 digits BCD)
Number of receive data words
Receive data
+0
storage words
+1 (Undefined)
+2
Offset Contents (data format)
Number of receive data words
+0
+1 (Undefined)
+2 Read data (4 digits hex)
+3
Host Link unit No.
Always 0004 hex (4 decimal)
Host Link unit 00 to 31
No.
(2 digits BCD)
0000 to 0511
Depends on the remote CPU Unit.
End code
Read data
0003 to 00FA hex (3 to 250 decimal)
End code The end code is stored in hexadecimal.
(2 digits hex)
The contents of the first read word is
stored
The contents of the first read word +1
is stored
Appendix C
Data
Data
401